Table 2.

Number of cases, person-years and truncated age-standardized incidence rates (ASR) with 95% confidence intervals (95% C.I.) per 100,000 person-years among the study population aged 50 to 74 years, by histological subtype and country of origin, Belgium, 2004–2013

		Nr. of cases	Person-years	ASR (95% C.I.)
Overall lung cancer	Belgian	30,008	11,922,223	253.8 (251.0–256.7)
	Italian	937	335,372	270.9 (253.3–288.5)
	Turkish	199	84,828	271.9 (233.6–310.3)
	Moroccan	333	171,470	199.1 (177.6–220.5)
Small-cell lung carcinoma	Belgian	4818	11,922,223	40.7 (39.6–41.9)
	Italian	129	335,372	37.5 (30.9–44.1)
	Turkish	37	84,828	51.6 (34.7–68.4)
	Moroccan	49	171,470	29.4 (21.2–37.7)
Squamous cell carcinoma	Belgian	9361	11,922,223	79.5 (77.8–81.1)
	Italian	303	335,372	88.3 (78.2–98.4)
	Turkish	68	84,828	91.8 (69.6–113.9)
	Moroccan	87	171,470	53.2 (42.0–64.4)
Adenocarcinoma	Belgian	10,829	11,922,223	91.2 (89.5–92.9)
	Italian	392	335,372	112.8 (101.4–124.1)
	Turkish	67	84,828	90.1 (68.2–112.0)
	Moroccan	157	171,470	92.9 (78.3–107.4)
Large-cell undifferentiated carcinoma	Belgian	1485	11,922,223	12.6 (12.0–13.2)
	Italian	26	335,372	7.5 (4.6–10.4)
	Turkish	N < 10	84,828	8.6 (1.6–15.5)
	Moroccan	N < 15	171,470	7.5 (3.4–11.6)
Other/unknown	Belgian	3515	11,922,223	29.9 (28.9–30.9)
	Italian	87	335,372	24.9 (19.6–30.2)
	Turkish	< 25	84,828	29.9 (17.0–42.8)
	Moroccan	27	171,470	16.1 (10.0–22.2)